For All F-series(regular) and N-Series Valve (including PF series)
*For users under extreme conditions: If you are using the Engine Oil Drain Valve on off-road vehicles such as farm tractors and logging equipment under extreme environment (i.e. corn fields, brush areas), it is recommended that a hose clip as shown below be used for extra safety and security. The hose clip, which can be purchased at our online store or any hardware stores, will firmly keep the lever in the locked position at all times.
*5/8" Safety Clip is not applicable for L-type Valves.